11990054 has 8 divisors (see below), whose sum is σ = 18238608. Its totient is φ = 5910520.

The previous prime is 11990053. The next prime is 11990063. The reversal of 11990054 is 45009911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11990054² = 287522789845832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11989999 and 11990026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42077 + ... + 42360.

It is an arithmetic number, because the mean of its divisors is an integer number (2279826).

Almost surely, 2^11990054 is an apocalyptic number.

11990054 is a deficient number, since it is larger than the sum of its proper divisors (6248554).

11990054 is an equidigital number, since it uses as much as digits as its factorization.

11990054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84510.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 11990054 is about 3462.6657361056. The cubic root of 11990054 is about 228.8795792061.

Adding to 11990054 its reverse (45009911), we get a palindrome (56999965).

The spelling of 11990054 in words is "eleven million, nine hundred ninety thousand, fifty-four".