12521254 has 8 divisors (see below), whose sum is σ = 18797688. Its totient is φ = 6255360.

The previous prime is 12521239. The next prime is 12521291. The reversal of 12521254 is 45212521.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 1894 + ... + 5350.

It is an arithmetic number, because the mean of its divisors is an integer number (2349711).

Almost surely, 2^12521254 is an apocalyptic number.

12521254 is a deficient number, since it is larger than the sum of its proper divisors (6276434).

12521254 is a wasteful number, since it uses less digits than its factorization.

12521254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270.

The product of its digits is 800, while the sum is 22.

The square root of 12521254 is about 3538.5383988308. The cubic root of 12521254 is about 232.2109036384.

Adding to 12521254 its reverse (45212521), we get a palindrome (57733775).

The spelling of 12521254 in words is "twelve million, five hundred twenty-one thousand, two hundred fifty-four".