12531299 has 8 divisors (see below), whose sum is σ = 13698048. Its totient is φ = 11369160.

The previous prime is 12531283. The next prime is 12531301. The reversal of 12531299 is 99213521.

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

It is not a de Polignac number, because 12531299 - 2⁴ = 12531283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12531209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7214 + ... + 8780.

It is an arithmetic number, because the mean of its divisors is an integer number (1712256).

Almost surely, 2^12531299 is an apocalyptic number.

12531299 is a deficient number, since it is larger than the sum of its proper divisors (1166749).

12531299 is a wasteful number, since it uses less digits than its factorization.

12531299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305.

The product of its digits is 4860, while the sum is 32.

The square root of 12531299 is about 3539.9574856204. The cubic root of 12531299 is about 232.2729830183.

It can be divided in two parts, 1253 and 1299, that added together give a palindrome (2552).

The spelling of 12531299 in words is "twelve million, five hundred thirty-one thousand, two hundred ninety-nine".