11261430 has 40 divisors (see below), whose sum is σ = 30282912. Its totient is φ = 3002832.

The previous prime is 11261413. The next prime is 11261443. The reversal of 11261430 is 3416211.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6142 + ... + 7761.

Almost surely, 2^11261430 is an apocalyptic number.

11261430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11261430 is an abundant number, since it is smaller than the sum of its proper divisors (19021482).

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

11261430 is a wasteful number, since it uses less digits than its factorization.

11261430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922 (or 13913 counting only the distinct ones).

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

The square root of 11261430 is about 3355.8054174818. The cubic root of 11261430 is about 224.1460967630.

Adding to 11261430 its reverse (3416211), we get a palindrome (14677641).

It can be divided in two parts, 1126 and 1430, that added together give a triangular number (2556 = T₇₁).

The spelling of 11261430 in words is "eleven million, two hundred sixty-one thousand, four hundred thirty".