13970000 has 100 divisors (see below), whose sum is σ = 37188096. Its totient is φ = 5040000.

The previous prime is 13969973. The next prime is 13970009. The reversal of 13970000 is 7931.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109937 + ... + 110063.

Almost surely, 2^13970000 is an apocalyptic number.

13970000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13970000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18594048).

13970000 is an abundant number, since it is smaller than the sum of its proper divisors (23218096).

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

13970000 is a wasteful number, since it uses less digits than its factorization.

13970000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 13970000 is about 3737.6463182062. The cubic root of 13970000 is about 240.8419502856.

Adding to 13970000 its reverse (7931), we get a palindrome (13977931).

The spelling of 13970000 in words is "thirteen million, nine hundred seventy thousand".