11057214 has 16 divisors (see below), whose sum is σ = 25273728. Its totient is φ = 3159192.

The previous prime is 11057213. The next prime is 11057239. The reversal of 11057214 is 41275011.

It is a happy number.

11057214 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

11057214 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131592 + ... + 131675.

It is an arithmetic number, because the mean of its divisors is an integer number (1579608).

Almost surely, 2^11057214 is an apocalyptic number.

11057214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11057214 is an abundant number, since it is smaller than the sum of its proper divisors (14216514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057214 is a wasteful number, since it uses less digits than its factorization.

11057214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263279.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11057214 is about 3325.2389387832. The cubic root of 11057214 is about 222.7829267054.

The spelling of 11057214 in words is "eleven million, fifty-seven thousand, two hundred fourteen".