13925407 has 4 divisors (see below), whose sum is σ = 14116240. Its totient is φ = 13734576.

The previous prime is 13925399. The next prime is 13925413. The reversal of 13925407 is 70452931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70452931 = 19 ⋅3708049.

It is a cyclic number.

It is not a de Polignac number, because 13925407 - 2³ = 13925399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13925447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95307 + ... + 95452.

It is an arithmetic number, because the mean of its divisors is an integer number (3529060).

Almost surely, 2^13925407 is an apocalyptic number.

13925407 is a deficient number, since it is larger than the sum of its proper divisors (190833).

13925407 is an equidigital number, since it uses as much as digits as its factorization.

13925407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190832.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13925407 is about 3731.6761649425. The cubic root of 13925407 is about 240.5854169330.

The spelling of 13925407 in words is "thirteen million, nine hundred twenty-five thousand, four hundred seven".