13231029 has 12 divisors (see below), whose sum is σ = 20521824. Its totient is φ = 7560504.

The previous prime is 13231027. The next prime is 13231061. The reversal of 13231029 is 92013231.

It is a happy number.

It is not a de Polignac number, because 13231029 - 2¹ = 13231027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13230996 and 13231014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231027) 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, 44857 + ... + 45150.

It is an arithmetic number, because the mean of its divisors is an integer number (1710152).

Almost surely, 2^13231029 is an apocalyptic number.

It is an amenable number.

13231029 is a deficient number, since it is larger than the sum of its proper divisors (7290795).

13231029 is an equidigital number, since it uses as much as digits as its factorization.

13231029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90024 (or 90017 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13231029 is about 3637.4481439603. The cubic root of 13231029 is about 236.5181865282.

The spelling of 13231029 in words is "thirteen million, two hundred thirty-one thousand, twenty-nine".