12151254 has 32 divisors (see below), whose sum is σ = 24950016. Its totient is φ = 3944160.

The previous prime is 12151247. The next prime is 12151267. The reversal of 12151254 is 45215121.

It is a self number, because there is not a number n which added to its sum of digits gives 12151254.

It is a congruent number.

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, 67044 + ... + 67224.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 2^12151254 is an apocalyptic number.

12151254 is an abundant number, since it is smaller than the sum of its proper divisors (12798762).

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

12151254 is a wasteful number, since it uses less digits than its factorization.

12151254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its digits is 400, while the sum is 21.

The square root of 12151254 is about 3485.8648855055. The cubic root of 12151254 is about 229.9007385162.

Adding to 12151254 its reverse (45215121), we get a palindrome (57366375).

The spelling of 12151254 in words is "twelve million, one hundred fifty-one thousand, two hundred fifty-four".