11262409 has 4 divisors (see below), whose sum is σ = 11374020. Its totient is φ = 11150800.

The previous prime is 11262403. The next prime is 11262439. The reversal of 11262409 is 90426211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90426211 = 547 ⋅165313.

It can be written as a sum of positive squares in 2 ways, for example, as 6734025 + 4528384 = 2595^2 + 2128^2 .

It is a cyclic number.

It is not a de Polignac number, because 11262409 - 2³ = 11262401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11262401) 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, 55654 + ... + 55855.

It is an arithmetic number, because the mean of its divisors is an integer number (2843505).

Almost surely, 2^11262409 is an apocalyptic number.

It is an amenable number.

11262409 is a deficient number, since it is larger than the sum of its proper divisors (111611).

11262409 is a wasteful number, since it uses less digits than its factorization.

11262409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111610.

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

The square root of 11262409 is about 3355.9512809336. The cubic root of 11262409 is about 224.1525918727.

The spelling of 11262409 in words is "eleven million, two hundred sixty-two thousand, four hundred nine".