12149407 has 8 divisors (see below), whose sum is σ = 13178592. Its totient is φ = 11155200.

The previous prime is 12149393. The next prime is 12149411. The reversal of 12149407 is 70494121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12149407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8019 + ... + 9412.

It is an arithmetic number, because the mean of its divisors is an integer number (1647324).

Almost surely, 2^12149407 is an apocalyptic number.

12149407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12149407 is a deficient number, since it is larger than the sum of its proper divisors (1029185).

12149407 is a wasteful number, since it uses less digits than its factorization.

12149407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12149407 is about 3485.5999483590. The cubic root of 12149407 is about 229.8890895626.

The spelling of 12149407 in words is "twelve million, one hundred forty-nine thousand, four hundred seven".