12402412 has 24 divisors (see below), whose sum is σ = 23792832. Its totient is φ = 5610000.

The previous prime is 12402391. The next prime is 12402431. The reversal of 12402412 is 21420421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10483 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (991368).

Almost surely, 2^12402412 is an apocalyptic number.

It is an amenable number.

12402412 is a deficient number, since it is larger than the sum of its proper divisors (11390420).

12402412 is a wasteful number, since it uses less digits than its factorization.

12402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12402412 is about 3521.7058366650. The cubic root of 12402412 is about 231.4739119764.

Adding to 12402412 its reverse (21420421), we get a palindrome (33822833).

Subtracting 12402412 from its reverse (21420421), we obtain a square (9018009 = 3003²).

The spelling of 12402412 in words is "twelve million, four hundred two thousand, four hundred twelve".