12700544 has 16 divisors (see below), whose sum is σ = 25302120. Its totient is φ = 6350208.

The previous prime is 12700537. The next prime is 12700559. The reversal of 12700544 is 44500721.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12700544² = 322607635791872, which contains 22 as substring.

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, 49484 + ... + 49739.

Almost surely, 2^12700544 is an apocalyptic number.

It is an amenable number.

12700544 is a deficient number, since it is larger than the sum of its proper divisors (12601576).

12700544 is an frugal number, since it uses more digits than its factorization.

12700544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99237 (or 99225 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12700544 is about 3563.7822604643. The cubic root of 12700544 is about 233.3139866045.

The spelling of 12700544 in words is "twelve million, seven hundred thousand, five hundred forty-four".