12477390 has 32 divisors (see below), whose sum is σ = 30312576. Its totient is φ = 3286560.

The previous prime is 12477373. The next prime is 12477391. The reversal of 12477390 is 9377421.

It is a super-2 number, since 2×12477390² = 311370522424200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477391) 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, 16 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (947268).

Almost surely, 2^12477390 is an apocalyptic number.

12477390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12477390 is an abundant number, since it is smaller than the sum of its proper divisors (17835186).

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

12477390 is a wasteful number, since it uses less digits than its factorization.

12477390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 12477390 is about 3532.3349218329. The cubic root of 12477390 is about 231.9394287969.

The spelling of 12477390 in words is "twelve million, four hundred seventy-seven thousand, three hundred ninety".