13925915 has 8 divisors (see below), whose sum is σ = 16798848. Its totient is φ = 11082240.

The previous prime is 13925903. The next prime is 13925927. The reversal of 13925915 is 51952931.

It is an interprime number because it is at equal distance from previous prime (13925903) and next prime (13925927).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13925915 - 2¹² = 13921819 is a prime.

It is a super-2 number, since 2×13925915² = 387862217174450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 8180.

It is an arithmetic number, because the mean of its divisors is an integer number (2099856).

Almost surely, 2^13925915 is an apocalyptic number.

13925915 is a deficient number, since it is larger than the sum of its proper divisors (2872933).

13925915 is a wasteful number, since it uses less digits than its factorization.

13925915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14629.

The product of its digits is 12150, while the sum is 35.

The square root of 13925915 is about 3731.7442302494. The cubic root of 13925915 is about 240.5883424227.

The spelling of 13925915 in words is "thirteen million, nine hundred twenty-five thousand, nine hundred fifteen".