12054261 has 4 divisors (see below), whose sum is σ = 16072352. Its totient is φ = 8036172.

The previous prime is 12054253. The next prime is 12054269. The reversal of 12054261 is 16245021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12054253) and next prime (12054269).

It is not a de Polignac number, because 12054261 - 2³ = 12054253 is a prime.

It is a super-2 number, since 2×12054261² = 290610416512242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009041 + ... + 2009046.

It is an arithmetic number, because the mean of its divisors is an integer number (4018088).

Almost surely, 2^12054261 is an apocalyptic number.

It is an amenable number.

12054261 is a deficient number, since it is larger than the sum of its proper divisors (4018091).

12054261 is an equidigital number, since it uses as much as digits as its factorization.

12054261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018090.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12054261 is about 3471.9246823628. The cubic root of 12054261 is about 229.2874038088.

Adding to 12054261 its reverse (16245021), we get a palindrome (28299282).

The spelling of 12054261 in words is "twelve million, fifty-four thousand, two hundred sixty-one".