12274515 has 48 divisors (see below), whose sum is σ = 23508576. Its totient is φ = 5875200.

The previous prime is 12274501. The next prime is 12274517. The reversal of 12274515 is 51547221.

12274515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12274515 - 2¹⁴ = 12258131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67725 + ... + 67905.

It is an arithmetic number, because the mean of its divisors is an integer number (489762).

It is a vampire number, since it can be written as 2715 ⋅ 4521 (with its own digits).

Almost surely, 2^12274515 is an apocalyptic number.

12274515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12274515 is a deficient number, since it is larger than the sum of its proper divisors (11234061).

12274515 is a wasteful number, since it uses less digits than its factorization.

12274515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12274515 is about 3503.5003924647. The cubic root of 12274515 is about 230.6754874375.

It can be divided in two parts, 122745 and 15, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 12274515 in words is "twelve million, two hundred seventy-four thousand, five hundred fifteen".