12042536 has 32 divisors (see below), whose sum is σ = 24770880. Its totient is φ = 5443200.

The previous prime is 12042517. The next prime is 12042551. The reversal of 12042536 is 63524021.

It is a super-2 number, since 2×12042536² = 290045346622592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24485 + ... + 24971.

It is an arithmetic number, because the mean of its divisors is an integer number (774090).

Almost surely, 2^12042536 is an apocalyptic number.

It is an amenable number.

12042536 is an abundant number, since it is smaller than the sum of its proper divisors (12728344).

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

12042536 is a wasteful number, since it uses less digits than its factorization.

12042536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12042536 is about 3470.2357268635. The cubic root of 12042536 is about 229.2130382121.

Adding to 12042536 its reverse (63524021), we get a palindrome (75566557).

The spelling of 12042536 in words is "twelve million, forty-two thousand, five hundred thirty-six".