12746481 has 16 divisors (see below), whose sum is σ = 19631808. Its totient is φ = 7270400.

The previous prime is 12746471. The next prime is 12746483. The reversal of 12746481 is 18464721.

It is a cyclic number.

It is not a de Polignac number, because 12746481 - 2¹³ = 12738289 is a prime.

It is a super-2 number, since 2×12746481² = 324945555766722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12746483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10800 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (1226988).

Almost surely, 2^12746481 is an apocalyptic number.

12746481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12746481 is a deficient number, since it is larger than the sum of its proper divisors (6885327).

12746481 is a wasteful number, since it uses less digits than its factorization.

12746481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752.

The product of its digits is 10752, while the sum is 33.

The square root of 12746481 is about 3570.2214217048. The cubic root of 12746481 is about 233.5949417280.

The spelling of 12746481 in words is "twelve million, seven hundred forty-six thousand, four hundred eighty-one".