12529401 has 8 divisors (see below), whose sum is σ = 17061504. Its totient is φ = 8175120.

The previous prime is 12529399. The next prime is 12529403. The reversal of 12529401 is 10492521.

It is an interprime number because it is at equal distance from previous prime (12529399) and next prime (12529403).

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

It is not a de Polignac number, because 12529401 - 2¹ = 12529399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12529403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44290 + ... + 44571.

It is an arithmetic number, because the mean of its divisors is an integer number (2132688).

Almost surely, 2^12529401 is an apocalyptic number.

It is an amenable number.

12529401 is a deficient number, since it is larger than the sum of its proper divisors (4532103).

12529401 is an equidigital number, since it uses as much as digits as its factorization.

12529401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88911.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12529401 is about 3539.6893931530. The cubic root of 12529401 is about 232.2612556791.

The spelling of 12529401 in words is "twelve million, five hundred twenty-nine thousand, four hundred one".