11377213 has 4 divisors (see below), whose sum is σ = 11654748. Its totient is φ = 11099680.

The previous prime is 11377189. The next prime is 11377229. The reversal of 11377213 is 31277311.

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 1530169 + 9847044 = 1237^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 11377213 - 2¹⁷ = 11246141 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 (11377283) 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, 138706 + ... + 138787.

It is an arithmetic number, because the mean of its divisors is an integer number (2913687).

Almost surely, 2^11377213 is an apocalyptic number.

It is an amenable number.

11377213 is a deficient number, since it is larger than the sum of its proper divisors (277535).

11377213 is an equidigital number, since it uses as much as digits as its factorization.

11377213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277534.

The product of its digits is 882, while the sum is 25.

The square root of 11377213 is about 3373.0124518003. The cubic root of 11377213 is about 224.9116558520.

It can be divided in two parts, 11377 and 213, that multiplied together give a triangular number (2423301 = T₂₂₀₁).

The spelling of 11377213 in words is "eleven million, three hundred seventy-seven thousand, two hundred thirteen".