12377772 has 120 divisors (see below), whose sum is σ = 37078272. Its totient is φ = 3564000.

The previous prime is 12377753. The next prime is 12377789. The reversal of 12377772 is 27777321.

It is a super-4 number, since 4×12377772⁴ (a number of 29 digits) contains 4444 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81897 + ... + 82047.

Almost surely, 2^12377772 is an apocalyptic number.

12377772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12377772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18539136).

12377772 is an abundant number, since it is smaller than the sum of its proper divisors (24700500).

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

12377772 is a wasteful number, since it uses less digits than its factorization.

12377772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 190 counting only the distinct ones).

The product of its digits is 28812, while the sum is 36.

The square root of 12377772 is about 3518.2057927302. The cubic root of 12377772 is about 231.3205198125.

It can be divided in two parts, 1237 and 7772, that added together give a palindrome (9009).

The spelling of 12377772 in words is "twelve million, three hundred seventy-seven thousand, seven hundred seventy-two".