12495091 has 16 divisors (see below), whose sum is σ = 14736384. Its totient is φ = 10373184.

The previous prime is 12495089. The next prime is 12495097. The reversal of 12495091 is 19059421.

It is a cyclic number.

It is not a de Polignac number, because 12495091 - 2¹ = 12495089 is a prime.

It is a super-2 number, since 2×12495091² = 312254598196562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12495097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53511 + ... + 53743.

It is an arithmetic number, because the mean of its divisors is an integer number (921024).

Almost surely, 2^12495091 is an apocalyptic number.

12495091 is a deficient number, since it is larger than the sum of its proper divisors (2241293).

12495091 is a wasteful number, since it uses less digits than its factorization.

12495091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 12495091 is about 3534.8396003213. The cubic root of 12495091 is about 232.0490569566.

The spelling of 12495091 in words is "twelve million, four hundred ninety-five thousand, ninety-one".