12157453 has 8 divisors (see below), whose sum is σ = 15157440. Its totient is φ = 9473280.

The previous prime is 12157429. The next prime is 12157459. The reversal of 12157453 is 35475121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12157453 - 2¹⁷ = 12026381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157459) 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, 78868 + ... + 79021.

It is an arithmetic number, because the mean of its divisors is an integer number (1894680).

Almost surely, 2^12157453 is an apocalyptic number.

It is an amenable number.

12157453 is a deficient number, since it is larger than the sum of its proper divisors (2999987).

12157453 is a wasteful number, since it uses less digits than its factorization.

12157453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157907.

The product of its digits is 4200, while the sum is 28.

The square root of 12157453 is about 3486.7539345357. The cubic root of 12157453 is about 229.9398267287.

It can be divided in two parts, 1215 and 7453, that added together give a palindrome (8668).

The spelling of 12157453 in words is "twelve million, one hundred fifty-seven thousand, four hundred fifty-three".