11267421 has 16 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 6762800.

The previous prime is 11267411. The next prime is 11267453. The reversal of 11267421 is 12476211.

It is not a de Polignac number, because 11267421 - 2⁷ = 11267293 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11267391 and 11267400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11267411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^11267421 is an apocalyptic number.

11267421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11267421 is a deficient number, since it is larger than the sum of its proper divisors (5279907).

11267421 is a wasteful number, since it uses less digits than its factorization.

11267421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312.

The product of its digits is 672, while the sum is 24.

The square root of 11267421 is about 3356.6979310030. The cubic root of 11267421 is about 224.1858377552.

The spelling of 11267421 in words is "eleven million, two hundred sixty-seven thousand, four hundred twenty-one".