12048921 has 12 divisors (see below), whose sum is σ = 17699760. Its totient is φ = 7896120.

The previous prime is 12048919. The next prime is 12048923. The reversal of 12048921 is 12984021.

It is an interprime number because it is at equal distance from previous prime (12048919) and next prime (12048923).

It is not a de Polignac number, because 12048921 - 2¹ = 12048919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12048923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10815 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (1474980).

Almost surely, 2^12048921 is an apocalyptic number.

It is an amenable number.

12048921 is a deficient number, since it is larger than the sum of its proper divisors (5650839).

12048921 is a wasteful number, since it uses less digits than its factorization.

12048921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756 (or 22753 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12048921 is about 3471.1555712759. The cubic root of 12048921 is about 229.2535409398.

The spelling of 12048921 in words is "twelve million, forty-eight thousand, nine hundred twenty-one".