12371145 has 16 divisors (see below), whose sum is σ = 19844352. Its totient is φ = 6581120.

The previous prime is 12371137. The next prime is 12371153. The reversal of 12371145 is 54117321.

12371145 is digitally balanced in base 2 and base 3, because in such bases 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 (12371137) and next prime (12371153).

It is not a de Polignac number, because 12371145 - 2³ = 12371137 is a prime.

It is a super-2 number, since 2×12371145² = 306090457222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7024 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (1240272).

Almost surely, 2^12371145 is an apocalyptic number.

12371145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12371145 is a deficient number, since it is larger than the sum of its proper divisors (7473207).

12371145 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 12371145 = (57142311)₈.

12371145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its digits is 840, while the sum is 24.

The square root of 12371145 is about 3517.2638513481. The cubic root of 12371145 is about 231.2792298090.

Adding to 12371145 its reverse (54117321), we get a palindrome (66488466).

The spelling of 12371145 in words is "twelve million, three hundred seventy-one thousand, one hundred forty-five".