13970740 has 48 divisors (see below), whose sum is σ = 34013952. Its totient is φ = 4720896.

The previous prime is 13970713. The next prime is 13970767. The reversal of 13970740 is 4707931.

13970740 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 (13970713) and next prime (13970767).

It is a super-2 number, since 2×13970740² = 390363152295200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9537 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (708624).

Almost surely, 2^13970740 is an apocalyptic number.

13970740 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 13970740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17006976).

13970740 is an abundant number, since it is smaller than the sum of its proper divisors (20043212).

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

13970740 is a wasteful number, since it uses less digits than its factorization.

13970740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13970740 is about 3737.7453096753. The cubic root of 13970740 is about 240.8462027289.

The spelling of 13970740 in words is "thirteen million, nine hundred seventy thousand, seven hundred forty".