12549694 has 4 divisors (see below), whose sum is σ = 18824544. Its totient is φ = 6274846.

The previous prime is 12549673. The next prime is 12549701. The reversal of 12549694 is 49694521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49694521 = 5521 ⋅9001.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3137422 + ... + 3137425.

It is an arithmetic number, because the mean of its divisors is an integer number (4706136).

Almost surely, 2^12549694 is an apocalyptic number.

12549694 is a deficient number, since it is larger than the sum of its proper divisors (6274850).

12549694 is an equidigital number, since it uses as much as digits as its factorization.

12549694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274849.

The product of its digits is 77760, while the sum is 40.

The square root of 12549694 is about 3542.5547278765. The cubic root of 12549694 is about 232.3865805146.

The spelling of 12549694 in words is "twelve million, five hundred forty-nine thousand, six hundred ninety-four".