12377145 has 16 divisors (see below), whose sum is σ = 21604032. Its totient is φ = 6000960.

The previous prime is 12377119. The next prime is 12377147. The reversal of 12377145 is 54177321.

It is not a de Polignac number, because 12377145 - 2⁶ = 12377081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12377147) 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, 37342 + ... + 37671.

It is an arithmetic number, because the mean of its divisors is an integer number (1350252).

Almost surely, 2^12377145 is an apocalyptic number.

12377145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12377145 is a deficient number, since it is larger than the sum of its proper divisors (9226887).

12377145 is a wasteful number, since it uses less digits than its factorization.

12377145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75032.

The product of its digits is 5880, while the sum is 30.

The square root of 12377145 is about 3518.1166836818. The cubic root of 12377145 is about 231.3166138749.

The spelling of 12377145 in words is "twelve million, three hundred seventy-seven thousand, one hundred forty-five".