13029425 has 6 divisors (see below), whose sum is σ = 16156518. Its totient is φ = 10423520.

The previous prime is 13029407. The next prime is 13029427. The reversal of 13029425 is 52492031.

It can be written as a sum of positive squares in 3 ways, for example, as 2505889 + 10523536 = 1583^2 + 3244^2 .

It is not a de Polignac number, because 13029425 - 2⁸ = 13029169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13029394 and 13029403.

It is not an unprimeable number, because it can be changed into a prime (13029427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260564 + ... + 260613.

It is an arithmetic number, because the mean of its divisors is an integer number (2692753).

Almost surely, 2^13029425 is an apocalyptic number.

It is an amenable number.

13029425 is a deficient number, since it is larger than the sum of its proper divisors (3127093).

13029425 is an equidigital number, since it uses as much as digits as its factorization.

13029425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521187 (or 521182 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13029425 is about 3609.6294823707. The cubic root of 13029425 is about 235.3107402779.

The spelling of 13029425 in words is "thirteen million, twenty-nine thousand, four hundred twenty-five".