12531002 has 24 divisors (see below), whose sum is σ = 21071988. Its totient is φ = 5582720.

The previous prime is 12530993. The next prime is 12531007. The reversal of 12531002 is 20013521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10817521 + 1713481 = 3289^2 + 1309^2 .

It is a super-2 number, since 2×12531002² = 314052022248008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12531007) 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, 12338 + ... + 13314.

Almost surely, 2^12531002 is an apocalyptic number.

12531002 is a deficient number, since it is larger than the sum of its proper divisors (8540986).

12531002 is a wasteful number, since it uses less digits than its factorization.

12531002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12531002 is about 3539.9155357155. The cubic root of 12531002 is about 232.2711479965.

Adding to 12531002 its reverse (20013521), we get a palindrome (32544523).

The spelling of 12531002 in words is "twelve million, five hundred thirty-one thousand, two".