12252146 has 8 divisors (see below), whose sum is σ = 19177344. Its totient is φ = 5859700.

The previous prime is 12252113. The next prime is 12252151. The reversal of 12252146 is 64125221.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133130 + ... + 133221.

It is an arithmetic number, because the mean of its divisors is an integer number (2397168).

Almost surely, 2^12252146 is an apocalyptic number.

12252146 is a deficient number, since it is larger than the sum of its proper divisors (6925198).

12252146 is a wasteful number, since it uses less digits than its factorization.

12252146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266376.

The product of its digits is 960, while the sum is 23.

The square root of 12252146 is about 3500.3065580032. The cubic root of 12252146 is about 230.5352750364.

Adding to 12252146 its reverse (64125221), we get a palindrome (76377367).

The spelling of 12252146 in words is "twelve million, two hundred fifty-two thousand, one hundred forty-six".