12277248 has 40 divisors (see below), whose sum is σ = 32711448. Its totient is φ = 4091904.

The previous prime is 12277241. The next prime is 12277253. The reversal of 12277248 is 84277221.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461 + ... + 5532.

Almost surely, 2^12277248 is an apocalyptic number.

It is an amenable number.

12277248 is an abundant number, since it is smaller than the sum of its proper divisors (20434200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12277248 is an frugal number, since it uses more digits than its factorization.

12277248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014 (or 7998 counting only the distinct ones).

The product of its digits is 12544, while the sum is 33.

The square root of 12277248 is about 3503.8904092451. The cubic root of 12277248 is about 230.6926066291.

It can be divided in two parts, 12 and 277248, that multiplied together give a square (3326976 = 1824²).

The spelling of 12277248 in words is "twelve million, two hundred seventy-seven thousand, two hundred forty-eight".