11213415 has 12 divisors (see below), whose sum is σ = 19436664. Its totient is φ = 5980464.

The previous prime is 11213407. The next prime is 11213417. The reversal of 11213415 is 51431211.

It is not a de Polignac number, because 11213415 - 2³ = 11213407 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124549 + ... + 124638.

It is an arithmetic number, because the mean of its divisors is an integer number (1619722).

Almost surely, 2^11213415 is an apocalyptic number.

11213415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11213415 is a deficient number, since it is larger than the sum of its proper divisors (8223249).

11213415 is a wasteful number, since it uses less digits than its factorization.

11213415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249198 (or 249195 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11213415 is about 3348.6437553135. The cubic root of 11213415 is about 223.8270814188.

Adding to 11213415 its reverse (51431211), we get a palindrome (62644626).

It can be divided in two parts, 11213 and 415, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 11213415 in words is "eleven million, two hundred thirteen thousand, four hundred fifteen".