12377216 has 16 divisors (see below), whose sum is σ = 24657990. Its totient is φ = 6188544.

The previous prime is 12377213. The next prime is 12377219. The reversal of 12377216 is 61277321.

It is an interprime number because it is at equal distance from previous prime (12377213) and next prime (12377219).

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 817216 = 3400^2 + 904^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (12377213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48221 + ... + 48476.

Almost surely, 2^12377216 is an apocalyptic number.

12377216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12377216 is a deficient number, since it is larger than the sum of its proper divisors (12280774).

12377216 is an frugal number, since it uses more digits than its factorization.

12377216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96711 (or 96699 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 12377216 is about 3518.1267742934. The cubic root of 12377216 is about 231.3170561806.

The spelling of 12377216 in words is "twelve million, three hundred seventy-seven thousand, two hundred sixteen".