13970070 has 48 divisors (see below), whose sum is σ = 37674000. Its totient is φ = 3724704.

The previous prime is 13970069. The next prime is 13970071. The reversal of 13970070 is 7007931.

13970070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13970069) and next prime (13970071).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (784875).

Almost surely, 2^13970070 is an apocalyptic number.

13970070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13970070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18837000).

13970070 is an abundant number, since it is smaller than the sum of its proper divisors (23703930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13970070 is an equidigital number, since it uses as much as digits as its factorization.

13970070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771 (or 5759 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 13970070 is about 3737.6556823763. The cubic root of 13970070 is about 240.8423525502.

The spelling of 13970070 in words is "thirteen million, nine hundred seventy thousand, seventy".