11726545 has 16 divisors (see below), whose sum is σ = 14469120. Its totient is φ = 9120384.

The previous prime is 11726543. The next prime is 11726557. The reversal of 11726545 is 54562711.

It is a cyclic number.

It is not a de Polignac number, because 11726545 - 2¹ = 11726543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11726543) 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, 37309 + ... + 37621.

It is an arithmetic number, because the mean of its divisors is an integer number (904320).

Almost surely, 2^11726545 is an apocalyptic number.

It is an amenable number.

11726545 is a deficient number, since it is larger than the sum of its proper divisors (2742575).

11726545 is a wasteful number, since it uses less digits than its factorization.

11726545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its digits is 8400, while the sum is 31.

The square root of 11726545 is about 3424.4043277627. The cubic root of 11726545 is about 227.1904254483.

It can be divided in two parts, 117 and 26545, that added together give a palindrome (26662).

The spelling of 11726545 in words is "eleven million, seven hundred twenty-six thousand, five hundred forty-five".