12056451 has 16 divisors (see below), whose sum is σ = 18569088. Its totient is φ = 6876800.

The previous prime is 12056441. The next prime is 12056453. The reversal of 12056451 is 15465021.

It is a cyclic number.

It is not a de Polignac number, because 12056451 - 2¹¹ = 12054403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12056453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10185 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (1160568).

Almost surely, 2^12056451 is an apocalyptic number.

12056451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12056451 is a deficient number, since it is larger than the sum of its proper divisors (6512637).

12056451 is a wasteful number, since it uses less digits than its factorization.

12056451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12056451 is about 3472.2400550653. The cubic root of 12056451 is about 229.3012884981.

The spelling of 12056451 in words is "twelve million, fifty-six thousand, four hundred fifty-one".