11261340 has 36 divisors (see below), whose sum is σ = 34159944. Its totient is φ = 3002976.

The previous prime is 11261333. The next prime is 11261353. The reversal of 11261340 is 4316211.

It is a happy number.

11261340 is a `hidden beast` number, since 1 + 12 + 613 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31102 + ... + 31461.

Almost surely, 2^11261340 is an apocalyptic number.

11261340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11261340 is an abundant number, since it is smaller than the sum of its proper divisors (22898604).

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

11261340 is a wasteful number, since it uses less digits than its factorization.

11261340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578 (or 62573 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11261340 is about 3355.7920078575. The cubic root of 11261340 is about 224.1454996451.

Adding to 11261340 its reverse (4316211), we get a palindrome (15577551).

The spelling of 11261340 in words is "eleven million, two hundred sixty-one thousand, three hundred forty".