11626261 has 4 divisors (see below), whose sum is σ = 11647692. Its totient is φ = 11604832.

The previous prime is 11626253. The next prime is 11626273. The reversal of 11626261 is 16262611.

11626261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16262611 = 47 ⋅346013.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 9394225 = 1494^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 11626261 - 2³ = 11626253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11626291) 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, 9880 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (2911923).

Almost surely, 2^11626261 is an apocalyptic number.

It is an amenable number.

11626261 is a deficient number, since it is larger than the sum of its proper divisors (21431).

11626261 is an equidigital number, since it uses as much as digits as its factorization.

11626261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21430.

The product of its digits is 864, while the sum is 25.

The square root of 11626261 is about 3409.7303412440. The cubic root of 11626261 is about 226.5409354124.

Adding to 11626261 its reverse (16262611), we get a palindrome (27888872).

The spelling of 11626261 in words is "eleven million, six hundred twenty-six thousand, two hundred sixty-one".