12273051 has 16 divisors (see below), whose sum is σ = 19056384. Its totient is φ = 6880224.

The previous prime is 12273049. The next prime is 12273059. The reversal of 12273051 is 15037221.

It is not a de Polignac number, because 12273051 - 2¹ = 12273049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12273059) 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, 4401 + ... + 6626.

It is an arithmetic number, because the mean of its divisors is an integer number (1191024).

Almost surely, 2^12273051 is an apocalyptic number.

12273051 is a deficient number, since it is larger than the sum of its proper divisors (6783333).

12273051 is a wasteful number, since it uses less digits than its factorization.

12273051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12273051 is about 3503.2914523345. The cubic root of 12273051 is about 230.6663160679. Note that the first 3 decimals are identical.

It can be divided in two parts, 1227 and 3051, that added together give a triangular number (4278 = T₉₂).

The spelling of 12273051 in words is "twelve million, two hundred seventy-three thousand, fifty-one".