12093261 has 16 divisors (see below), whose sum is σ = 16780800. Its totient is φ = 7737408.

The previous prime is 12093259. The next prime is 12093269. The reversal of 12093261 is 16239021.

12093261 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12093261 - 2¹ = 12093259 is a prime.

It is a super-2 number, since 2×12093261² = 292493923228242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12093269) 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, 19620 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (1048800).

Almost surely, 2^12093261 is an apocalyptic number.

It is an amenable number.

12093261 is a deficient number, since it is larger than the sum of its proper divisors (4687539).

12093261 is a wasteful number, since it uses less digits than its factorization.

12093261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12093261 is about 3477.5366281320. The cubic root of 12093261 is about 229.5344141746.

Subtracting 12093261 from its reverse (16239021), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 12093261 in words is "twelve million, ninety-three thousand, two hundred sixty-one".