12149497 has 8 divisors (see below), whose sum is σ = 12730176. Its totient is φ = 11573232.

The previous prime is 12149483. The next prime is 12149507. The reversal of 12149497 is 79494121.

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

It is not a de Polignac number, because 12149497 - 2¹⁵ = 12116729 is a prime.

It is a super-2 number, since 2×12149497² = 295220554706018, which contains 22 as substring.

It is a Duffinian 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, 5418 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (1591272).

Almost surely, 2^12149497 is an apocalyptic number.

It is an amenable number.

12149497 is a deficient number, since it is larger than the sum of its proper divisors (580679).

12149497 is a wasteful number, since it uses less digits than its factorization.

12149497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207.

The product of its digits is 18144, while the sum is 37.

The square root of 12149497 is about 3485.6128585946. The cubic root of 12149497 is about 229.8896572163.

The spelling of 12149497 in words is "twelve million, one hundred forty-nine thousand, four hundred ninety-seven".