13943425 has 12 divisors (see below), whose sum is σ = 17342640. Its totient is φ = 11120720.

The previous prime is 13943393. The next prime is 13943429. The reversal of 13943425 is 52434931.

13943425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13943425 - 2⁵ = 13943393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13943429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10446 + ... + 11704.

It is an arithmetic number, because the mean of its divisors is an integer number (1445220).

Almost surely, 2^13943425 is an apocalyptic number.

It is an amenable number.

13943425 is a deficient number, since it is larger than the sum of its proper divisors (3399215).

13943425 is a wasteful number, since it uses less digits than its factorization.

13943425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1707 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 13943425 is about 3734.0895811429. The cubic root of 13943425 is about 240.6891362178.

It can be divided in two parts, 139 and 43425, that multiplied together give a triangular number (6036075 = T₃₄₇₄).

The spelling of 13943425 in words is "thirteen million, nine hundred forty-three thousand, four hundred twenty-five".