12015402 has 32 divisors (see below), whose sum is σ = 27566592. Its totient is φ = 3420144.

The previous prime is 12015373. The next prime is 12015427. The reversal of 12015402 is 20451021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21693 + ... + 22239.

It is an arithmetic number, because the mean of its divisors is an integer number (861456).

Almost surely, 2^12015402 is an apocalyptic number.

12015402 is an abundant number, since it is smaller than the sum of its proper divisors (15551190).

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

12015402 is a wasteful number, since it uses less digits than its factorization.

12015402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12015402 is about 3466.3239894736. The cubic root of 12015402 is about 229.0407560165.

Adding to 12015402 its reverse (20451021), we get a palindrome (32466423).

The spelling of 12015402 in words is "twelve million, fifteen thousand, four hundred two".