12278088 has 32 divisors (see below), whose sum is σ = 34106400. Its totient is φ = 4092624.

The previous prime is 12278083. The next prime is 12278093. The reversal of 12278088 is 88087221.

12278088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12278083) and next prime (12278093).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12278083) 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, 28206 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (1065825).

Almost surely, 2^12278088 is an apocalyptic number.

12278088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12278088 is an abundant number, since it is smaller than the sum of its proper divisors (21828312).

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

12278088 is a wasteful number, since it uses less digits than its factorization.

12278088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56858 (or 56848 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 12278088 is about 3504.0102739575. The cubic root of 12278088 is about 230.6978677802.

It can be divided in two parts, 122 and 78088, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 12278088 in words is "twelve million, two hundred seventy-eight thousand, eighty-eight".