12402152 has 32 divisors (see below), whose sum is σ = 27734400. Its totient is φ = 5083584.

The previous prime is 12402151. The next prime is 12402157. The reversal of 12402152 is 25120421.

It is a super-2 number, since 2×12402152² = 307626748462208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12402152.

It is not an unprimeable number, because it can be changed into a prime (12402151) 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, 3527 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (866700).

Almost surely, 2^12402152 is an apocalyptic number.

It is an amenable number.

12402152 is an abundant number, since it is smaller than the sum of its proper divisors (15332248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12402152 is a wasteful number, since it uses less digits than its factorization.

12402152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12402152 is about 3521.6689225423. The cubic root of 12402152 is about 231.4722944513.

Adding to 12402152 its reverse (25120421), we get a palindrome (37522573).

The spelling of 12402152 in words is "twelve million, four hundred two thousand, one hundred fifty-two".