12495121 has 8 divisors (see below), whose sum is σ = 12783744. Its totient is φ = 12208560.

The previous prime is 12495097. The next prime is 12495151. The reversal of 12495121 is 12159421.

It is a happy number.

12495121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12495121 - 2⁵ = 12495089 is a prime.

It is a super-2 number, since 2×12495121² = 312256097609282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12495151) 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, 22570 + ... + 23116.

It is an arithmetic number, because the mean of its divisors is an integer number (1597968).

Almost surely, 2^12495121 is an apocalyptic number.

It is an amenable number.

12495121 is a deficient number, since it is larger than the sum of its proper divisors (288623).

12495121 is an equidigital number, since it uses as much as digits as its factorization.

12495121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its digits is 720, while the sum is 25.

The square root of 12495121 is about 3534.8438437928. The cubic root of 12495121 is about 232.0492426686.

The spelling of 12495121 in words is "twelve million, four hundred ninety-five thousand, one hundred twenty-one".