11896541 has 4 divisors (see below), whose sum is σ = 12030300. Its totient is φ = 11762784.

The previous prime is 11896537. The next prime is 11896553. The reversal of 11896541 is 14569811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 11222500 = 821^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11896541 - 2² = 11896537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66746 + ... + 66923.

It is an arithmetic number, because the mean of its divisors is an integer number (3007575).

Almost surely, 2^11896541 is an apocalyptic number.

It is an amenable number.

11896541 is a deficient number, since it is larger than the sum of its proper divisors (133759).

11896541 is an equidigital number, since it uses as much as digits as its factorization.

11896541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133758.

The product of its digits is 8640, while the sum is 35.

The square root of 11896541 is about 3449.1362686910. The cubic root of 11896541 is about 228.2829985957.

The spelling of 11896541 in words is "eleven million, eight hundred ninety-six thousand, five hundred forty-one".