12497194 has 16 divisors (see below), whose sum is σ = 19353096. Its totient is φ = 6048000.

The previous prime is 12497183. The next prime is 12497197. The reversal of 12497194 is 49179421.

It can be written as a sum of positive squares in 4 ways, for example, as 12341169 + 156025 = 3513^2 + 395^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (12497197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20494 + ... + 21094.

Almost surely, 2^12497194 is an apocalyptic number.

12497194 is a deficient number, since it is larger than the sum of its proper divisors (6855902).

12497194 is a wasteful number, since it uses less digits than its factorization.

12497194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

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

The square root of 12497194 is about 3535.1370553346. The cubic root of 12497194 is about 232.0620746500.

The spelling of 12497194 in words is "twelve million, four hundred ninety-seven thousand, one hundred ninety-four".